Question

O
4. Simplify the following expression and
find its value, when x =-1 and y = 2.
2x2 – 3y + 3x2 + 5y2 + 5x - 7 - 7x + 2y.​

Answer 1

Answer:

X= -1 and y= 2

2×2-3×2+3×2+5×2×2+5×(-1)-7-7(-1)+2×2

4-6+6+20+(-5)-7+7+4

-2+26-5-7+7+4

24-12+11

12+11

23